摘要：
Question: I can not use chkconfig tools in Ubuntu 12.10 It's a very useful tools to configure the service to autostart or not. Why is it no longer ava 阅读全文
摘要：
<!doctype html><html><head><meta charset="UTF-8" /><title>Canvas Drag and Drop Test</title></head><body><section> <div><canvas id="canvas" width="400" 阅读全文